44 POTTSVILLE FAUNA OF OHIO 



Pustula nebraskensis (Owen) 



Marginifera wabashensis (Norwood and Pratten) 



Spirifer boonensis Swallow? 



Squamularia perplexa (McChesney) 



Composita subtilita (Hall) 



Schizodus amplus Meek and Worthen 



The Boggs member occurs as an iron ore on the ridges north of 

 Frazeysburg in Jackson Township. 



Licking County. The Boggs limestone extends westward from 

 Muskingum County into Licking. Isolated patches of cherty limestone 

 from 3 inches to 1 foot in thickness were observed at several places 

 along the ridges south of Toboso and north of Black Run. In a few 

 localities the limestone is replaced by siliceous iron ore. 



Tuscarawas County. The blue limestone reported by Dr. Edward 

 Orton, 2 miles northwest of Bolivar in northern Tuscarawas County on 

 the farm of Joseph Hair and elsewhere in the county, belongs undoubt- 

 edly to the Boggs horizon. The geologic section northwest of Bolivar 

 is given below: 1 



Section northwest of Bolivar on land of Joseph Hair, Tuscarawas County 



Feet Inches 



1. Gray or Putnam Hill limestone P 2 



2. Concealed- _ 25 



fCoal, 1 ft. Sin. _. 



3.4 Slate, 9 in _______________________ > Tionesta (No. 56) _ 4 9 



[Coal, 2 ft. 4 in _______ _ ____ , ______ J 



4. Concealed ___________________________ i _____________ 15 



5. Dark-bin^ limestone, Upper Mercer _____________ ______ 3 



6. Coal, thin, 4 to 6 in. __ _____________________________ ._ 6 



7. Concealed ________________________________ _________ 30 



8. Blue limestone, Lower Mercer ________________________ 4 



9. Dark shale ___________________________________ ----- 2 



10. Coal, thin _________________________________________ .. 



11. Dark shale __________________________________________ 2 



12. Fireclay ____________________________ _ _____________ 6 



13. Concealed _____________________________ _ ___________ 20 



14. Blue limestone (occurs occasionally at this horizon), 



Boggs _________________________________________ 1 6 



15. Concealed to canal _________________________________ 15 



Summary 



The Boggs member, although occurring in patches, has been traced 

 from the Ohio River as far north as Tuscarawas County. In Muskin- 

 gum County it is the second fossiliferous limestone in the Pottsville 



, Edward, Geol. Surv. Ohio, Vol. V, p. 68, 1884. The word Boggs has been 

 supplied by the writer. 



